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Concrete VibrationConcrete vibrated as it is poured into the ground beam. Vibrators are necessary to ensure that the concrete doesn't have voids and settles evenly though out the form.
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Slump TestCPAC ready mix cement quality control (QC) staff perform a slump test. This is a standard test which is done to verify that the concrete is 'firm' enough. The slump is measure from the top of the cone and is specified to be between 5 to 10 cm.
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CPAC Quality ControlCPAC Quality Control staff take a sample of poured cement for a compressive strength test. They will let it dry for 2 weeks and then remove the concrete sample from the form. It is taken to a testing center where the stated KSC (Kilograms per Square Centimeter) compressive strength specification of the concrete is tested. A report will be generated.
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Concrete Compressive Strength VerificationThis report shows the results of the compressive strength test on the concrete samples taken by the quality control staff. It is a good verification as the quality of the concrete used in the foundation is significant.dozer
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Ground Beam PourPour in the front portion of the house. Note the two column frames which are at the front of the patio (the rest of the house has no columns). The concrete is shoveled in place and worked with a vibrator.
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Completed Ground BeamThis shows the completed ground beam with the noted vertical rebar. Depth indicators are being put in the ground in preparation of the concrete pour of the floor.dozer
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Floor pour set-upThe prep for the pour of the floor. Note the spacers and wood that will be used to indicate floor depth. The plastic under the rebar frame is the damp course which will seal the floor and ground beam and protect them from ground moisture.
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Rebar Floor MeshingThis is a scale shot which shows the 6mm rebar meshing used in the floor pour. Additionally, note the spacer and the piece of rebar that extrudes from the ground beam, which is used to secure the floor mesh in place.
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Different Size Crushed StoneNotice the two different sizes of crushed stone aggregate that will be used. The smaller one on the left is used for concrete which will be poured into the large cinderblock holes.
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Damp CourseThe damp course is a thin plastic sheet which prevents water penetrating concrete on top of it. This is the look of sub flooring ready for the ready mix concrete floor to be poured. Note the bent pieces of rebar which come out of the ground beam and tie in the rebar to a fixed surface. Also note the depth indicators and spacers.
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Ready Mix Pour of the FloorNote the consistency of the concrete. It should have just enough moisture to be able to work it and not be watery.
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Ready Mix Concrete being workedIt takes a team of at least 3 or 4 workers to work the poured concrete into a floor prior to it start to set. Notice this team. One is using the smoothing tool to set the surface, the other is vibrating and the other is moving concrete.
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